Mechanics of Solids (ME21203), Autumn 2021

Mechanical Engineering Department, Indian Institute of Technology Kharagpur


Week Coverage
Week 1

Prescribed Viewing:

  • Revision of lectures on Stress from BEM (videos available in MS Teams)
  • Video on Stress by JC (only the first 36 minutes)


Live Sessions:

  • August 12 (Thursday): 10 AM to 11 AM
    • Introduction to the course
    • Discussion of course structure, evaluation (assignments and tests), and policies

Week 2
Aug. 16–20

Prescribed Viewing:

  • Revision of lectures on Strain (including Stress-Strain relations) from BEM (videos available in MS Teams)


Live Sessions:

  • August 16 (Monday): 10 AM to 11 AM
    • Revision of stress, strain, and stress-strain relations

  • August 18 (Wednesday):
    • No class (Institute Foundation Day)

  • August 19 (Thursday): (Muharram holiday shifted to August 20)
    • Stress-strain relations (revision and new material)

Week 3
Aug. 23–27

Prescribed Reading (from textbook):

  • Circular shafts in torsion
  • Angle of twist in the elastic range
  • Statically indeterminate shafts
  • Design of transmission shafts


Live Sessions:

  • August 23 (Monday): 10 AM to 11 AM
    • Torsion of shafts with circular cross-section
    • Shear stress and angle of twist

  • August 25 (Wednesday): 8 AM to 10 AM
    • Basics of transmission shaft design
    • Problem solving

  • August 26 (Thursday): 10 AM to 11 AM
    • Problems solving

4
Aug. 30–Sep. 3

Prescribed Viewing:

  • Videos kept inside the folder fromBEM-SFD-BMD in MS Teams

Prescribed Reading (from textbook):

  • Shear and bending moment diagrams
  • Relationships between load, shear, and bending moment


Live Sessions:

  • August 30 (Monday): 10 AM to 11 AM
    • Shear and bending moment diagrams

  • September 1 (Wednesday): 8 AM to 10 AM
    • Relationships between load, shear, and bending moment
    • Problem solving

  • September 2 (Thursday): 10 AM to 11 AM
    • Problems solving

Week 5
Sep. 6–10

Prescribed Reading (from textbook):

  • Bending deformation
  • Flexure formula


Live Sessions:

  • September 6 (Monday): 10 AM to 11 AM
    • Bending deformation
    • Flexure formula
  • September 6 (Monday): Releasing of Assignment 1 by 8 PM

  • September 8 (Wednesday): 8 AM to 10 AM
    • Problem solving

  • September 9 (Thursday): 10 AM to 11 AM
    • Problem solving

  • September 10 (Friday):
    • Deadline of submission of Assignment 1 at 11:55 PM

Week 6
Sep. 13–17

Prescribed Viewing: Because of the test on Wednesday, a part of the content for this week may be covered through pre-recorded lecture videos. Details to be released later.

Prescribed Reading (from textbook):

  • Shear in straight beams
  • Shear formula
  • Shear flow in built-up members


Live Sessions:

  • September 13 (Monday): 10 AM to 11 AM
    • Shear in straight beams
    • Shear formula

  • September 15 (Wednesday): 1st Online Test
    • First part of test: 8:10 – 8:55
    • Second part of test: 9:05 – 9:50

  • September 16 (Thursday): 10 AM to 11 AM
    • Problem solving on shear in beams

Week 7
Sep. 20–24


Live Sessions:

  • September 20 (Monday): 10 AM to 11 AM
    • Concept of traction
    • Transformation of stress

  • September 22 (Wednesday): 8 AM to 10 AM
    • Mohr’s circle
    • Problem solving

  • September 23 (Thursday): 10 AM to 11 AM
    • Problem solving

Week 8
Sep. 27–Oct. 1


Live Sessions:

  • September 27 (Monday): 10 AM to 11 AM
    • Deformation and displacement
    • Strain

  • September 29 (Wednesday): 8 AM to 10 AM
    • Strain transformation
    • Plane strain
    • Principal strains

  • September 30 (Thursday): 10 AM to 11 AM
    • Strain rosette
    • Problem solving

Week 9
Oct. 4–8


Live Sessions:

  • October 4 (Monday): 10 AM to 11 AM
    • Thin-walled pressure vesssels

  • October 6 (Wednesday): 8 AM to 10 AM
    • Principal stresses in a beam
    • Stresses under combined loads

  • October 7 (Thursday): 10 AM to 11 AM
    • Problem solving

  • October 8 (Friday): 8 PM
    • Release of Assignment 2 (Deadline: October 21)

Week 10
Oct. 11-15

Live Sessions:

  • October 11 (Monday): 10 AM to 11 AM
    • Thick-walled pressure vessel

  • October 13 (Wednesday): Institute Holiday

  • October 14 (Thursday): Institute Holiday

Week 11
Oct. 18–22


Live Sessions:

  • October 18 (Monday): 10 AM to 11 AM

  • October 20 (Wednesday): 8 AM to 10 AM

  • October 21 (Thursday): 10 AM to 11 AM
    • Problem solving

  • October 21 (Thursday):
    • Deadline of submission of Assignment 2 at 11:55 PM

Week 12
Oct. 25–29


Live Sessions:

  • October 25 (Monday): 10 AM to 11 AM

  • October 27 (Wednesday): 2nd Online Test
    • First part of test: 8:10 – 8:55
    • Second part of test: 9:05 – 9:50

  • October 28 (Thursday): 10 AM to 11 AM